[Simh] Re: Old Cisco IOS and stuff

[William Pechter]

I see to remember some lawsuit back after I left DEC between DEC
and Cisco over code from TOPS10 or 20 being in the Cisco IOS
stuff.  Something like they translated some stuff to 32bit 68k
from Macro10 or Bliss and used it.

Any other old timers remember that.  I was at Pyramid
Technologies back then so it would be around the 92 timeframe.

Bill
--
Bill Pechter
Systems Administrator
uReach Technologies
732-335-5432 (Work)
877-661-2126 (Fax)





---- On Sat, 12 Feb 2005, simh-request at trailing-edge.com
(simh-request at trailing-edge.com) wrote:

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> Today's Topics:
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>    1. Re: Other simulations (ethan.dicks at icecube.wisc.edu)
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> 
> > On Thu, Feb 10, 2005 at 08:27:29AM -0600, Carey Tyler Schug
wrote:
> > Yes, some Cisco routers used Motorola 68k chips. But AFAIR,
the 68k chip
> > only was there as a supervisor and control CPU, while the
heavy lifting
> > (flinging packets all over the place) was done by special
purpose chips
> > which were just told by the 68k what they had do to.
> 
> AFAIK, the 'heavy lifting chips' designs are common among
recent
> routers... back in the day of 68K-based hardware, I think
things were less
> specialized (like the AGS+ router I have in the closet that's
68020-based,
> on a (modified?) Multibus backplane.
> 
> As also mentioned, though, legal access to IOS, even older
versions, is a
> real concern, as I don't think Cisco likes to see that stuff
on 3rd-party
> hardware.
> 
> -ethan
> 
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